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core/types: optimize modernSigner

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This commit is contained in:
cuiweixie 2025-10-20 22:53:04 +08:00
parent cfa3b96103
commit 22e5dcea0c
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GPG key ID: 16DF64EE15E495A3
2 changed files with 30 additions and 13 deletions
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20
core/types/transaction.go
View file

@ -52,6 +52,26 @@ const (
SetCodeTxType = 0x04
)
type TxTypeBitVec [(SetCodeTxType + 1 + 7) / 8]byte
func (v *TxTypeBitVec) Set(txType byte) {
if txType >= byte(len(v)*8) {
panic("tx type out of range")
}
v[txType/8] |= 1 << (txType % 8)
}
func (v *TxTypeBitVec) Has(txType byte) bool {
if txType >= byte(len(v)*8) {
return false
}
return v[txType/8]&(1<<(txType%8)) != 0
}
func (v *TxTypeBitVec) Equals(o *TxTypeBitVec) bool {
return *v == *o
}
// Transaction is an Ethereum transaction.
type Transaction struct {
inner TxData // Consensus contents of a transaction

23
core/types/transaction_signing.go
View file

@ -20,7 +20,6 @@ import (
"crypto/ecdsa"
"errors"
"fmt"
"maps"
"math/big"
"github.com/ethereum/go-ethereum/common"
@ -183,9 +182,9 @@ type Signer interface {
// modernSigner is the signer implementation that handles non-legacy transaction types.
// For legacy transactions, it defers to one of the legacy signers (frontier, homestead, eip155).
type modernSigner struct {
txtypes map[byte]struct{}
chainID *big.Int
legacy Signer
txTypeBitVec TxTypeBitVec
chainID *big.Int
legacy Signer
}
func newModernSigner(chainID *big.Int, fork forks.Fork) Signer {
@ -194,7 +193,6 @@ func newModernSigner(chainID *big.Int, fork forks.Fork) Signer {
}
s := &modernSigner{
chainID: chainID,
txtypes: make(map[byte]struct{}, 4),
}
// configure legacy signer
switch {
@ -205,19 +203,19 @@ func newModernSigner(chainID *big.Int, fork forks.Fork) Signer {
default:
s.legacy = FrontierSigner{}
}
s.txtypes[LegacyTxType] = struct{}{}
s.txTypeBitVec.Set(LegacyTxType)
// configure tx types
if fork >= forks.Berlin {
s.txtypes[AccessListTxType] = struct{}{}
s.txTypeBitVec.Set(AccessListTxType)
}
if fork >= forks.London {
s.txtypes[DynamicFeeTxType] = struct{}{}
s.txTypeBitVec.Set(DynamicFeeTxType)
}
if fork >= forks.Cancun {
s.txtypes[BlobTxType] = struct{}{}
s.txTypeBitVec.Set(BlobTxType)
}
if fork >= forks.Prague {
s.txtypes[SetCodeTxType] = struct{}{}
s.txTypeBitVec.Set(SetCodeTxType)
}
return s
}
@ -228,7 +226,7 @@ func (s *modernSigner) ChainID() *big.Int {
func (s *modernSigner) Equal(s2 Signer) bool {
other, ok := s2.(*modernSigner)
return ok && s.chainID.Cmp(other.chainID) == 0 && maps.Equal(s.txtypes, other.txtypes) && s.legacy.Equal(other.legacy)
return ok && s.chainID.Cmp(other.chainID) == 0 && s.txTypeBitVec.Equals(&other.txTypeBitVec) && s.legacy.Equal(other.legacy)
}
func (s *modernSigner) Hash(tx *Transaction) common.Hash {
@ -236,8 +234,7 @@ func (s *modernSigner) Hash(tx *Transaction) common.Hash {
}
func (s *modernSigner) supportsType(txtype byte) bool {
_, ok := s.txtypes[txtype]
return ok
return s.txTypeBitVec.Has(txtype)
}
func (s *modernSigner) Sender(tx *Transaction) (common.Address, error) {